Use the vertical line test to determine if the graph is a graph of a function.
A. Function
B. Not a function
Answer: A
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Factor completely.20z2 + 3z - 9
A. (20z + 3)(z - 3) B. (4z + 3)(5z - 3) C. (20z + 1)(z - 9) D. (4z - 3)(5z + 3)
Solve.While traveling in a car at a constant speed, the centrifugal acceleration passengers feel while the car is turning is inversely proportional to the radius of the turn. If the passengers feel an acceleration of 15 feet per second per second when the radius of the turn is 50 feet, find the acceleration the passengers feel when the radius of the turn is 150 feet.
A. 5 feet per second per second B. 8 feet per second per second C. 6 feet per second per second D. 7 feet per second per second
Match the equation to the graph.
- 
= 1
A. 
B. 
C. 
D. 
Write the expression in terms of sines and/or cosines, and then simplify.csc ? + tan2 ? csc ?
A. 
B. 
C. 
D. cos ? - sin ?